Albert Bandura's belief that a person's behavior is both influenced by and is influencing a person's personal factors and the environment. Bandura accepts the possibility of an individual's behavior being conditioned through the use of consequences. At the same time he recognizes that a person's behavior can impact the environment. The same is true of the relationship between personal factors such as cognitive skills or attitudes and behavior or the environment. Each can impact and be impacted by the other."
This can be illustated by the following graph:
Image: http://chiron.valdosta.edu/whuitt/col/soccog/soccog1.gif